Thousands of tourists enjoy ice fishing on a frozen river in Hwacheon County, Gangwon, on Saturday. The Hwacheon Sancheoneo (Mountain Trout) Ice Festival kicked off on Saturday with a lot of visitors flocking to the venue, which is near the inter-Korean border, even though military tension between the two Koreas has been escalating after Pyongyang conducted a fourth nuclear test on Wednesday. [NEWSIS]